In[1]:= |
<< KnotTheory` |
Loading KnotTheory` (version of August 29, 2005, 15:27:48)... |
In[2]:= | PD[Knot[8, 14]] |
Out[2]= | PD[X[1, 4, 2, 5], X[5, 10, 6, 11], X[3, 9, 4, 8], X[9, 3, 10, 2],
X[7, 14, 8, 15], X[11, 16, 12, 1], X[15, 12, 16, 13], X[13, 6, 14, 7]] |
In[3]:= | GaussCode[Knot[8, 14]] |
Out[3]= | GaussCode[-1, 4, -3, 1, -2, 8, -5, 3, -4, 2, -6, 7, -8, 5, -7, 6] |
In[4]:= | DTCode[Knot[8, 14]] |
Out[4]= | DTCode[4, 8, 10, 14, 2, 16, 6, 12] |
In[5]:= | br = BR[Knot[8, 14]] |
Out[5]= | BR[4, {-1, -1, -1, -2, 1, -2, 3, -2, 3}] |
In[6]:= | {First[br], Crossings[br]} |
Out[6]= | {4, 9} |
In[7]:= | BraidIndex[Knot[8, 14]] |
Out[7]= | 4 |
In[8]:= | Show[DrawMorseLink[Knot[8, 14]]] |
| |
Out[8]= | -Graphics- |
In[9]:= | (#[Knot[8, 14]]&) /@ {SymmetryType, UnknottingNumber, ThreeGenus, BridgeIndex, SuperBridgeIndex, NakanishiIndex} |
Out[9]= | {Reversible, 1, 2, 2, {4, 5}, 1} |
In[10]:= | alex = Alexander[Knot[8, 14]][t] |
Out[10]= | 2 8 2
-11 - -- + - + 8 t - 2 t
2 t
t |
In[11]:= | Conway[Knot[8, 14]][z] |
Out[11]= | 4
1 - 2 z |
In[12]:= | Select[AllKnots[], (alex === Alexander[#][t])&] |
Out[12]= | {Knot[8, 14], Knot[9, 8], Knot[10, 131]} |
In[13]:= | {KnotDet[Knot[8, 14]], KnotSignature[Knot[8, 14]]} |
Out[13]= | {31, -2} |
In[14]:= | Jones[Knot[8, 14]][q] |
Out[14]= | -7 3 4 5 6 5 4
-2 + q - -- + -- - -- + -- - -- + - + q
6 5 4 3 2 q
q q q q q |
In[15]:= | Select[AllKnots[], (J === Jones[#][q] || (J /. q-> 1/q) === Jones[#][q])&] |
Out[15]= | {Knot[8, 14]} |
In[16]:= | A2Invariant[Knot[8, 14]][q] |
Out[16]= | -22 -20 -18 -16 -14 -12 -6 -4 2 4
q - q - q + q - q + q + q - q + -- + q
2
q |
In[17]:= | HOMFLYPT[Knot[8, 14]][a, z] |
Out[17]= | 2 2 2 4 2 6 2 2 4 4 4
1 + z - a z - a z + a z - a z - a z |
In[18]:= | Kauffman[Knot[8, 14]][a, z] |
Out[18]= | 3 5 7 2 2 2 4 2 6 2
1 + a z + 3 a z + 3 a z + a z - 2 z - a z + 3 a z + a z -
8 2 3 3 3 5 3 7 3 4 2 4 4 4
a z - 3 a z - 6 a z - 8 a z - 5 a z + z - a z - 7 a z -
6 4 8 4 5 3 5 5 5 7 5 2 6
4 a z + a z + 2 a z + 3 a z + 4 a z + 3 a z + 2 a z +
4 6 6 6 3 7 5 7
5 a z + 3 a z + a z + a z |
In[19]:= | {Vassiliev[2][Knot[8, 14]], Vassiliev[3][Knot[8, 14]]} |
Out[19]= | {0, 0} |
In[20]:= | Kh[Knot[8, 14]][q, t] |
Out[20]= | 2 3 1 2 1 2 2 3 2
-- + - + ------ + ------ + ------ + ------ + ----- + ----- + ----- +
3 q 15 6 13 5 11 5 11 4 9 4 9 3 7 3
q q t q t q t q t q t q t q t
3 3 2 3 t 3 2
----- + ----- + ---- + ---- + - + q t + q t
7 2 5 2 5 3 q
q t q t q t q t |
In[21]:= | ColouredJones[Knot[8, 14], 2][q] |
Out[21]= | -20 3 9 10 5 22 16 14 34 18 21
-8 + q - --- + --- - --- - --- + --- - --- - --- + --- - --- - -- +
19 17 16 15 14 13 12 11 10 9
q q q q q q q q q q
39 15 22 32 8 17 18 2 3 4
-- - -- - -- + -- - -- - -- + -- - - + 6 q - 2 q + q
8 7 6 5 4 3 2 q
q q q q q q q |